Hello guys! I need little help. Someone can told me what could be wrong with my "project" I am crazy now... The same is with 8x8 led matrix. In my opinion its something wrong with driver - MAX7219 - but what?! Maybe is it a problem with serial transmision? Do you have any ideas? I need to order…

Led 4 segment display - MAX7219

INTP August 23, 2016, 9:43pm 2

Newbies always blame the hardware and don't show their code.

Work on not doing that.